Guitar



FIG. 1 is a front perspective view of the invention.

FIG. 2 is a front elevational view of FIG. 1.

FIG. 3 is a rear elevational view of FIG. 1.

FIG. 4 is a left side elevational view of FIG. 1.

FIG. 5 is a right side rear elevational view of FIG. 1

FIG. 6 is a top plan view of FIG. 1; and,

FIG. 7 is a bottom plan view of FIG. 1.

The broken lines in FIG. 7 represent the portions of the guitar, which form no part of the claimed design. 

The ornamental design for a guitar, as shown and described. 